محار الزيبرا (المخطط) آفة في محطة توليد الطاقة الكهربائية في المسيب

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Zebra mussel, Dreissena polymurphu (Pallas) lias been recently introduced to Iraq.Soon after introduction, it.has become a serious pest in several electricity power stations in Iraq , ofMussaib is one of them , This pest reproduces in large numbers in water . These pests , youngs and adults , push their way into pipes of the cooling system of the station. Thus , they cause serious damage by blocking the pipes and interfere with the cooling of the system . Experiments conducted to control this pest revealed that .several promising methods of control . Zebra mussels are very sensitive to electricity and hence , they can be effectively controlled by electric shocks . Other methods are bused on the knowledge of their behavior and way of life . These include ihe manipulation of water temperature , speed of water current, using of screen barrier to preveant their entry into cooling system , chemical control or using closed water system .